18980935

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 23875200

約数和(自身を除く): 4894265

約数列:

[1, 5, 29, 79, 145, 395, 1657, 2291, 8285, 11455, 48053, 130903, 240265, 654515, 3796187, 18980935]

約数ペア:

[(1, 18980935), (5, 3796187), (29, 654515), (79, 240265), (145, 130903), (395, 48053), (1657, 11455), (2291, 8285)]